CN114043798A - Processing technology of silk screen printing plate - Google Patents
Processing technology of silk screen printing plate Download PDFInfo
- Publication number
- CN114043798A CN114043798A CN202111392681.7A CN202111392681A CN114043798A CN 114043798 A CN114043798 A CN 114043798A CN 202111392681 A CN202111392681 A CN 202111392681A CN 114043798 A CN114043798 A CN 114043798A
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- China
- Prior art keywords
- metal nickel
- nickel plate
- screen printing
- plate
- steel wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007650 screen-printing Methods 0.000 title claims abstract description 46
- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 112
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000003292 glue Substances 0.000 claims abstract description 24
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 23
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 22
- 238000007639 printing Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 238000007731 hot pressing Methods 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 9
- 239000012943 hotmelt Substances 0.000 claims abstract description 8
- 238000007605 air drying Methods 0.000 claims abstract description 7
- 238000005323 electroforming Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 238000003698 laser cutting Methods 0.000 claims abstract description 5
- 239000012790 adhesive layer Substances 0.000 claims abstract description 3
- 238000000227 grinding Methods 0.000 claims abstract description 3
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 3
- 229920002799 BoPET Polymers 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000003892 spreading Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229910001361 White metal Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000010969 white metal Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
- B41C1/145—Forme preparation for stencil-printing or silk-screen printing by perforation using an energetic radiation beam, e.g. a laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/04—Printing plates or foils; Materials therefor metallic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/12—Printing plates or foils; Materials therefor non-metallic other than stone, e.g. printing plates or foils comprising inorganic materials in an organic matrix
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Toxicology (AREA)
- Printing Plates And Materials Therefor (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The invention discloses a processing technology of a silk screen printing plate, which comprises the following steps: manufacturing a PET (polyethylene terephthalate) mould with a pattern according to the pattern provided by a customer, and manufacturing a layer of metal nickel plate on the surface of the PET mould through an electroforming process; the PET mould and the metal nickel plate are tiled on a printing table board, a screen printing process is adopted, a layer of hot-melt glue is coated on the surface of the metal nickel plate, a glue surface is formed after air drying, the metal nickel plate after air drying and the glue surface are placed on a stretched stainless steel wire mesh tiled in the middle, the glue surface is contacted with the stainless steel wire mesh, the metal nickel plate and the stainless steel wire mesh are placed on a platform of hot-pressing equipment, the metal nickel plate and the stainless steel wire mesh are tightly bonded through high-temperature and high-pressure bonding, and then a PET grinding tool on the surface of the metal nickel plate is torn off; guiding a drawing required by a customer into laser equipment, and positioning the laser to cut and gasify the adhesive layer in the metal nickel plate pattern; and cleaning, drying, inspecting and packaging the metal nickel plate subjected to laser cutting to obtain a finished product of the silk-screen printing plate. The invention has reasonable design, the whole thickness can be controlled within 15-40 microns, the thickness of a single piece is extremely poor by +/-0.5 microns, the line edge does not have slurry during the non-carbonization printing process, and the service life is long.
Description
Technical Field
The invention relates to the technical field of screen printing plates, in particular to a processing technology of a silk-screen printing plate.
Background
Currently, in the photovoltaic industry, screen printing techniques are widely used to form electrodes of solar cells. The silk screen printing is that silk fabric, synthetic fiber fabric or metal silk screen is stretched on a screen frame, and a manual paint film engraving or photochemical plate making method is adopted to manufacture a silk screen printing plate for printing. The modern screen printing technology is to use photosensitive material to make screen printing plate by the method of photoengraving.
When printing, the ink is transferred to the printing stock through the meshes of the image-text part by the extrusion of the scraper, and the image-text same as the original is formed. The printing plate mainly comprises a fixed sealing layer formed by an adhesive film, a film or other materials so as to block ink of the non-image-text part. The manufacturing of the silk screen is a great technical problem.
At present, most of traditional screen printing plates are laminated by a PI film (polyimide film) and a stainless steel wire mesh, and then are subjected to laser grooving to form patterns. The design has the defects of more processing procedures, low production efficiency, incapability of producing polyimide films with the thickness of less than 10 micrometers domestically and high labor cost, low yield, short service life of the screen printing plate, generally no more than 15 ten thousand times, and unsmooth screen printing caused by carbonization of the edges of laser cutting patterns of the polyimide films at high temperature in the processing process, so that the printing yield is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a processing technology of a silk screen printing plate, and overcomes the defects of the technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a processing technology of a silk screen printing plate is characterized by comprising the following steps: the method comprises the following steps:
manufacturing a PET (polyethylene terephthalate) mould with a pattern according to the pattern provided by a customer, and manufacturing a layer of metal nickel plate on the surface of the PET mould through an electroforming process; the PET mould and the metal nickel plate are tiled on a printing table board, a screen printing process is adopted, a layer of hot-melt glue is coated on the surface of the metal nickel plate, a glue surface is formed after air drying, the metal nickel plate after air drying and the glue surface are placed on a stretched stainless steel wire mesh tiled in the middle, the glue surface is contacted with the stainless steel wire mesh, the metal nickel plate and the stainless steel wire mesh are placed on a platform of hot-pressing equipment, the metal nickel plate and the stainless steel wire mesh are tightly bonded through high-temperature and high-pressure bonding, and then a PET grinding tool on the surface of the metal nickel plate is torn off; guiding a drawing required by a customer into laser equipment, and positioning the laser to cut and gasify the adhesive layer in the metal nickel plate pattern; and cleaning, drying, inspecting and packaging the metal nickel plate subjected to laser cutting to obtain a finished product of the silk-screen printing plate.
The invention also provides a specific processing technology of the silk-screen printing plate, which comprises the following steps:
s1, manufacturing a mold according to a pattern provided by a customer, wherein the mold is generated on the PET film, and a metal nickel plate is generated on the surface of the PET film through an electroforming process;
s2, spreading the metal nickel plate with the die on a printing table, and coating a layer of hot melt glue on the surface of the metal nickel plate by adopting a screen printing process;
s3, naturally drying the metal nickel plate coated with the hot-melt glue to form a glue surface on the metal nickel plate;
s4, spreading the air-dried metal nickel plate on the expanded stainless steel wire net in the middle, contacting the rubber surface with the stainless steel wire net, placing on a platform of hot-pressing equipment, and adhering under the conditions of high temperature and high pressure to make the metal nickel plate and the stainless steel wire net tightly adhered; tearing off the PET mould on the surface of the metal nickel plate after hot pressing is finished, and manufacturing a semi-finished screen printing plate;
s5, importing a drawing required by a customer into laser equipment;
s6, placing the semi-finished screen printing plate on a platform of laser equipment, accurately aligning the semi-finished screen printing plate according to a customer drawing, and removing a glue surface in a pattern on the semi-finished screen printing plate by laser;
and S7, cleaning the semi-finished screen plate cut by the laser by using high-pressure water and high-pressure air, drying, inspecting and finally packaging to obtain the finished screen plate.
In the optimized technical scheme, in the step S1, the thickness of the PET film is 70-100 microns, and the centrifugal material is coated on the surface of the PET film.
In the step S4, the working environment of the platform of the hot-pressing device is as follows: the temperature is 200 ℃ and 220 ℃, and the pressure is 40-60kg/c square meter.
In step S5, the laser device is a low-power femtosecond uv laser device with a cold light source, and the wavelength of the laser device is as follows: 355 femtoseconds, cutting times of 4-6 times, cutting speed: 1500mm/s, current: 45mA, respectively.
Due to the adoption of the technology, compared with the prior art, the invention has the beneficial effects that:
the invention has reasonable design, the whole thickness can be controlled within 15-40 microns, the thickness of a single sheet is extremely poor +/-0.5 microns, no pasting is caused in the non-carbonization printing process of the line edge, the service life is long and can reach more than 40 ten thousand times on average, the printing line of the screen printing plate is full, the height is large, the width is small, the height-width ratio reaches 60-85%, the silver paste using amount of a single cell is reduced, the cost is saved, and the photoelectric conversion efficiency is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Examples
A processing technology of a silk screen printing plate comprises the following steps:
and S1, manufacturing a mold according to the pattern provided by the customer, wherein the mold is generated on the PET film, and a metal nickel plate is generated on the surface of the PET film through an electroforming process. Firstly, according to a graph provided by a customer, including the width of a fine grid line, a main grid, a fish fork, a bonding pad and the like, a mould is manufactured, the mould is generated on a PET high-temperature resistant film, an insulating material forms the graph and is attached to the PET high-temperature resistant film, the thickness of the PET high-temperature resistant film is 70-100 micrometers, a centrifugal material is coated on the surface of the PET high-temperature resistant film, and then a metal nickel plate is generated on the surface of the PET through an electroforming process.
S2, spreading the metal nickel plate with the die on a printing table, and coating a layer of hot melt glue on the surface of the metal nickel plate by adopting a screen printing process.
And S3, naturally drying the metal nickel plate coated with the hot-melt adhesive to form an adhesive surface on the metal nickel plate. The air drying function is to volatilize the organic solvent contained in the glue, so as to prevent the glue from being viscous at normal temperature.
S4, spreading the air-dried metal nickel plate on the expanded stainless steel wire net in the middle, contacting the rubber surface with the stainless steel wire net, placing on a platform of hot-pressing equipment, and adhering under the conditions of high temperature and high pressure to enable the metal nickel plate and the stainless steel wire net to be tightly adhered. The working environment of the platform of the hot-pressing equipment is as follows: the temperature is 200 ℃ and 220 ℃, and the pressure is 40-60kg/c square meter. And tearing off the PET mould on the surface of the metal nickel plate after hot pressing is finished, and manufacturing a semi-finished screen printing plate.
And S5, importing the drawing required by the customer into the laser equipment. The laser equipment adopts low-power femtosecond ultraviolet laser equipment of a cold light source, and the wavelength of the laser equipment is as follows: 355 femtoseconds, cutting times of 4-6 times, cutting speed: 1500mm/s, current: 45mA, respectively.
S6, placing the semi-finished screen printing plate on a platform of laser equipment, accurately aligning the semi-finished screen printing plate according to a customer drawing, and removing the glue surface in the pattern on the semi-finished screen printing plate by laser.
And S7, cleaning the semi-finished screen plate cut by the laser by using high-pressure water and high-pressure air, drying, inspecting and finally packaging to obtain the finished screen plate.
The invention has reasonable design, the whole thickness can be controlled within 15-40 microns, the thickness of a single sheet is extremely poor +/-0.5 microns, no pasting is caused in the non-carbonization printing process of the line edge, the service life is long and can reach more than 40 ten thousand times on average, the printing line of the screen printing plate is full, the height is large, the width is small, the height-width ratio reaches 60-85%, the silver paste using amount of a single cell is reduced, the cost is saved, and the photoelectric conversion efficiency is improved.
In this embodiment, the above product uses a nickel metal material. Nickel is a silver-white metal, with magnetic properties and good plasticity. Nickel has good corrosion resistance, is nearly silvery white, is hard and ductile, and has a ferromagnetic metal element. It is highly polished and corrosion resistant. The nickel metal layer obtains the printing pattern after laser cutting, and the plasticity effect is better, and the grid line that obtains from this is more clear complete, and the carbomorphism does not have, and the printing quality has obvious promotion.
In describing representative examples of the present invention, the specification has presented the method and/or process of operating the invention as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other sequences of steps are possible, as will be appreciated by those skilled in the art. Accordingly, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Moreover, the scope of the claims directed to the method and/or process of the present invention should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the present invention.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A processing technology of a silk screen printing plate is characterized by comprising the following steps:
the method comprises the following steps:
manufacturing a PET (polyethylene terephthalate) mould with a pattern according to the pattern provided by a customer, and manufacturing a layer of metal nickel plate on the surface of the PET mould through an electroforming process; the PET mould and the metal nickel plate are tiled on a printing table board, a screen printing process is adopted, a layer of hot-melt glue is coated on the surface of the metal nickel plate, a glue surface is formed after air drying, the metal nickel plate after air drying and the glue surface are placed on a stretched stainless steel wire mesh tiled in the middle, the glue surface is contacted with the stainless steel wire mesh, the metal nickel plate and the stainless steel wire mesh are placed on a platform of hot-pressing equipment, the metal nickel plate and the stainless steel wire mesh are tightly bonded through high-temperature and high-pressure bonding, and then a PET grinding tool on the surface of the metal nickel plate is torn off; guiding a drawing required by a customer into laser equipment, and positioning the laser to cut and gasify the adhesive layer in the metal nickel plate pattern; and cleaning, drying, inspecting and packaging the metal nickel plate subjected to laser cutting to obtain a finished product of the silk-screen printing plate.
2. The processing technology of the silk screen printing plate as claimed in claim 1, wherein:
the manufacturing process of the silk screen printing plate comprises the following steps:
s1, manufacturing a mold according to a pattern provided by a customer, wherein the mold is generated on the PET film, and a metal nickel plate is generated on the surface of the PET film through an electroforming process;
s2, spreading the metal nickel plate with the die on a printing table, and coating a layer of hot melt glue on the surface of the metal nickel plate by adopting a screen printing process;
s3, naturally drying the metal nickel plate coated with the hot-melt glue to form a glue surface on the metal nickel plate;
s4, spreading the air-dried metal nickel plate on the expanded stainless steel wire net in the middle, contacting the rubber surface with the stainless steel wire net, placing on a platform of hot-pressing equipment, and adhering under the conditions of high temperature and high pressure to make the metal nickel plate and the stainless steel wire net tightly adhered; tearing off the PET mould on the surface of the metal nickel plate after hot pressing is finished, and manufacturing a semi-finished screen printing plate;
s5, importing a drawing required by a customer into laser equipment;
s6, placing the semi-finished screen printing plate on a platform of laser equipment, accurately aligning the semi-finished screen printing plate according to a customer drawing, and removing a glue surface in a pattern on the semi-finished screen printing plate by laser;
and S7, cleaning the semi-finished screen plate cut by the laser by using high-pressure water and high-pressure air, drying, inspecting and finally packaging to obtain the finished screen plate.
3. The processing technology of the silk screen printing plate as claimed in claim 2, wherein: in the step S1, the PET film has a thickness of 70 to 100 μm, and the surface is coated with the centrifugal material.
4. The processing technology of the silk screen printing plate as claimed in claim 2, wherein: in step S4, the working environment of the platform of the hot-pressing device is: the temperature is 200 ℃ and 220 ℃, and the pressure is 40-60kg/c square meter.
5. The processing technology of the silk screen printing plate as claimed in claim 2, wherein: in step S5, the laser device is a low-power femtosecond ultraviolet laser device with a cold light source, and the wavelength of the laser device is: 355 femtoseconds, cutting times of 4-6 times, cutting speed: 1500mm/s, current: 45mA, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111392681.7A CN114043798A (en) | 2021-11-23 | 2021-11-23 | Processing technology of silk screen printing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111392681.7A CN114043798A (en) | 2021-11-23 | 2021-11-23 | Processing technology of silk screen printing plate |
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| Publication Number | Publication Date |
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| CN114043798A true CN114043798A (en) | 2022-02-15 |
Family
ID=80210494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111392681.7A Pending CN114043798A (en) | 2021-11-23 | 2021-11-23 | Processing technology of silk screen printing plate |
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| CN (1) | CN114043798A (en) |
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|---|---|---|---|---|
| WO2024093688A1 (en) * | 2022-11-04 | 2024-05-10 | 苏州蓝昇精密制版科技有限公司 | Screen printing plate preparation method and screen printing plate |
| CN116353188A (en) * | 2023-03-29 | 2023-06-30 | 上海新倬壮印刷科技有限公司 | Silk screen printing screen processing technology |
| CN116353188B (en) * | 2023-03-29 | 2024-07-26 | 上海新倬壮印刷科技有限公司 | Silk screen printing screen processing technology |
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